NPP012: Independent variables can't be groups

NPP012: Independent variables can't be groups

type: bug
priority: blocker

#natparse-internal
#compile-time

Description

Natural does not allow independent variables to be groups.

Invalid

INDEPENDENT
1 +GROUP
2 +VAR (A10)
2 +ANOTHER-VAR (A10)

Valid

INDEPENDENT
1 +VAR (A10)
1 +ANOTHER-VAR (A10)